Although many might have dismissed History as a boring subject back in school, famous events from the past have been leaving several individuals intrigued since decades. A few photographs taken during these times have become a rage online due to their shock and awe factor. One such iconic image is that of the prisoners at concentration camps. This single image itself speaks volumes about the sorry state of affairs in Germany during the reign of the dreaded dictator, Adolf Hitler. There are also several historic pictures which are mysterious and are yet to find an explanation. These 33 pictures are some of the most popular moments captured in the past and have been constantly garnering everybody’s attention. Do you recognize them?